BUF (Buffalo) to BOS (Boston) flights arrive on time 79% of the time. The most reliable airline on this route is Republic Airways at 83%. The average delay is 77 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.BUF → BOS
BUF (Buffalo) to BOS (Boston)
BUF → BOS on-time performance by month
This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Republic Airways edges out null on this route — 83% vs 69% on time.
Airline Comparison
Republic Airways leads at 83% on time; trails at 69%.
Good to know
Departing from BUF
77% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. BUF has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
BUF cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at BOS
77% on timeWhen flights into BOS are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at BOS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of BUF? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.